33225378 has 32 divisors (see below), whose sum is σ = 71565120. Its totient is φ = 10245120.

The previous prime is 33225349. The next prime is 33225403. The reversal of 33225378 is 87352233.

It is a super-2 number, since 2×33225378² = 2207851486485768, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3258 + ... + 8778.

It is an arithmetic number, because the mean of its divisors is an integer number (2236410).

Almost surely, 2^33225378 is an apocalyptic number.

33225378 is an abundant number, since it is smaller than the sum of its proper divisors (38339742).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

33225378 is a wasteful number, since it uses less digits than its factorization.

33225378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5602.

The product of its digits is 30240, while the sum is 33.

The square root of 33225378 is about 5764.1459037745. The cubic root of 33225378 is about 321.4819866926.

The spelling of 33225378 in words is "thirty-three million, two hundred twenty-five thousand, three hundred seventy-eight".